9996821152 has 24 divisors (see below), whose sum is σ = 19691834400. Its totient is φ = 4995720384.

The previous prime is 9996821147. The next prime is 9996821161. The reversal of 9996821152 is 2511286999.

It is a self number, because there is not a number n which added to its sum of digits gives 9996821152.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23002 + ... + 143257.

It is an arithmetic number, because the mean of its divisors is an integer number (820493100).

Almost surely, 2^9996821152 is an apocalyptic number.

It is an amenable number.

9996821152 is a deficient number, since it is larger than the sum of its proper divisors (9695013248).

9996821152 is a wasteful number, since it uses less digits than its factorization.

9996821152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168148 (or 168140 counting only the distinct ones).

The product of its digits is 699840, while the sum is 52.

The square root of 9996821152 is about 99984.1044966649. The cubic root of 9996821152 is about 2154.2063784911.

The spelling of 9996821152 in words is "nine billion, nine hundred ninety-six million, eight hundred twenty-one thousand, one hundred fifty-two".